[Feature Request]: The ability to get the current strokes data, and the ability to restore the strokes data

[jianwenjuan]

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Describe your user scenario

When I use the live-share-canvas, I want to capture the inking and markup as a snapshot, and saved the strokes from the current inking session. When a snapshot is selected, the current inking session should be replaced with the contents of the snapshot.

Describe the solution you'd like

Provide a clear and concise description of what you want to happen, with code snippets or pseudo code as applicable.

Describe alternatives you've considered

Could you provide a method to get the current strokes data, and provide a method to set the strokes data?

Additional context

Add any other context or screenshots about the feature request here.

[ryanbliss]

Thanks @jianwenjuan! We have a work item to export the raw strokes and to export the strokes as an SVG. The restoration option seems reasonable. How are you thinking about doing this in your app? Would you store the strokes in a database elsewhere, or are you talking more about undo/redo commands?

[jianwenjuan]

@ryanbliss Yes, we could store the strokes and the snapshots in a database, then we can restore the strokes data in the shared-canvas, and these strokes could still be shared with other users.

[ryanbliss]

Closed with #499, as of version 1.0.0-preview.8.